peter's square, coming up. >>> and right now, a live look over san francisco. you can see the bay bridge over there in the distance. still very early. traffic smooth at this time of day on tuesday, march 19th. this is "today in the bay." >>> time to take you live to vatican city, where jay gray is, where the pope just got installed this morning. >> good morning, what is a beautiful and historic morning here in rome. still thousands in st. peter's square. hundreds of thousands gathered today, along with dignitaries around the world, to be part of the inaugural mass. let's take a live look inside st. peter's basilica right now. you see the pope greeting heads of state who have traveled across the globe to be a part of this day. greeting, now, as the official leader of the catholic faith. after waiting for hours, hundreds of thousands welcomed pope francis to st. peter's square. >> there's so many people here. it's very exciting. >> it's amazing. it's the universal church. it's the best representation of the universal church around the world. >> reporter: after gr